The games of that video aren't native PS5 or Series X games: they are BC games so get bottlenecked by the hardware of the machines they are emulating, and don't take advantage of their I/O stuff.There it is; M.2 wins. PC MASTER RACE REIGNS SUPREME!!!!
PS5 native multi games like the ones listed in the OP plus DMC5SE or NBA2K should be a better reference of what the new consoles can do. Specially in the future once they stop being crossgen or use stuff like Oodle texture.